http://www.trellian.com/seotoolkit/ 
Paid
The Seo Toolkit includes following program features:
- Automated Search Engine Submission Tool
- Rank Checker
- Meta Tag Editor
- Keyword Manager
- Keyword Suggestion Tool
- Keyword Density Analyzer
- Keyword Explorer
- Reciprocal Link Checker
- Ranking Advisor
- Link Popularity & Saturation Monitor
- Google Site Map Generator
- Server Header Check
- Competitive Intelligence
- ROI Calculator
- Free engine updates for year
- Free email and live chat support
- Export data in number of usable formats.